As mentioned earlier, anthocyanins have high antioxidant activity, many health benefits and ability to change color according to pH of the surrounding. Those key advantages can be used to produce functionalized products including antioxidant drinks and smart packaging which can sense pH change and have antioxidant activity. But, to achieve the applications, there are many factors that need to be investigated such as how the color of the extract changes in different pH, what condition yields the highest antioxidant activity and which color consumers prefer for their health beverages from Butterfly pea flower. Therefore, this research aims to study the effect of pH and anthocyanin concentration on color, consumer acceptance and antioxidant activity of the Clitoria ternatea extracts to elucidate on feasibility of the flower extract for their possible applications